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NASA Conducts Hot Fire of RS-25 Engine
2 min read

NASA successfully conducted a hot fire of RS-25 engine No. 2063 on Jan. 22 at the Fred Haise Test Stand…

Jan 23, 2026
Image Article
NASA Tests New RS-25 Engine
1 min read

NASA tested RS-25 engine No. 20001 on June 20, at the Fred Haise Test Stand at NASA’s Stennis Space Center…

Jun 23, 2025
Image Article
Certifying Artemis Rocket Engines
51 min read

Experts from NASA’s Stennis Space Center discuss the facilities that support RS-25 engine testing for the Space Launch System and…

May 31, 2024
First Hot Fire Test of the Year for Artemis

Clouds of white vapor pile up at NASA’s Stennis Space Center in Bay St. Louis, Mississippi, during a full-duration, 500-second…

Feb 1, 2024
Image Article
First RS-25 Engine Installed to NASA’s Artemis II Moon Rocket
3 min read

Technicians at NASA’s Michoud Assembly Facility in New Orleans have installed the first of four RS-25 engines on the core…

Sep 13, 2023
Blog
NASA Conducts First 2023 Test of Redesigned Moon Rocket Engine

NASA’s newly redesigned RS-25 engine for future flights of the Space Launch System (SLS) rocket, underwent its first hot fire test of the year…

Feb 8, 2023
News Release
NASA’s Stennis Space Center Set for Active Propulsion Testing Year

As NASA continues its mission to explore the secrets of the universe for the benefit of all, NASA’s Stennis Space…

Jan 23, 2023
News Release
NASA Conducts First Test of Redesigned Moon Rocket Engine at Stennis

Editor’s Note: An update to this article, NASA Conducts RS-25 Engine Hot Fire at Stennis for Future Artemis Missions, was…

Dec 15, 2022
News Release
NASA Begins New RS-25 Engine Testing for Future Artemis Missions

NASA will begin a new series of hot fire testing Dec. 14 at Stennis Space Center near Bay St. Louis,…

Dec 13, 2022
News Release